Using the LM3644EVM Evaluation Module
User's Guide
Literature Number: SNVU446
August 2014
Contents
1
2
3
4
5
2
Introduction ......................................................................................................................... 4
Setup .................................................................................................................................. 4
2.1
Input/Output Connector Description ................................................................................... 4
2.2
Setup ....................................................................................................................... 6
2.3
Operation .................................................................................................................. 6
Board Layout ....................................................................................................................... 7
Schematic ......................................................................................................................... 10
USB Interface Board and I2C-Compatible Interface Program .................................................... 12
5.1
User Interface ........................................................................................................... 13
5.2
Flags...................................................................................................................... 14
5.3
I/O Pin Controls ......................................................................................................... 14
Table of Contents
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List of Figures
1
Enable Jumper Settings..................................................................................................... 4
2
VIO Jumper Settings ........................................................................................................ 4
3
STROBE Jumper Settings .................................................................................................. 5
4
TORCH/TEMP Jumper Settings ........................................................................................... 5
5
TX Jumper Settings
6
7
8
9
10
11
12
13
14
15
16
......................................................................................................... 5
Jumper Configuration ....................................................................................................... 7
Top Assembly Layer......................................................................................................... 8
Middle Layer 1 Routing ..................................................................................................... 8
Middle Layer 2 Routing ..................................................................................................... 9
Bottom Assembly Layer (UNMIRRORED) ............................................................................... 9
LM3644EVM Schematic ................................................................................................... 10
LM3644 General User Interface .......................................................................................... 12
I2C interface Fields ......................................................................................................... 13
Write Buttons................................................................................................................ 13
Flags ......................................................................................................................... 14
I/O Pin Controls ............................................................................................................. 14
List of Tables
1
Device and Package Configurations ...................................................................................... 4
2
Bill of Materials
.............................................................................................................
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List of Figures
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3
User's Guide
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LM3644EVM User's Guide
1
Introduction
The Texas Instruments LM3644EVM evaluation module (EVM) helps designers evaluate the operation
and performance of the LM3644 High-Current LED driver. The device offers configurability via I2Ccompatible interface. It can be enabled in Flash or Torch mode via the I2C interface or externally using the
STROBE and TORCH/TEMP pins. The module utilizes two LEDs (D1 & D2) mounted on the EVM.
The EVM contains one Synchronous Boost LED Flash Driver (See Table 1).
Table 1. Device and Package Configurations
2
FLASH LED DRIVER
IC
PACKAGE
U1
LM3644
0.4 mm-pitch, 12-Bump DSBGA
Setup
This section describes the jumpers and connectors on the EVM as well as how to properly connect, set
up, and use the LM3644EVM.
2.1
Input/Output Connector Description
Input / GND - These are the power input terminals for the driver. The terminal block provides a power
(VIN) and ground (GND) connection to allow the user to attach the EVM to a cable harness.
EN (J12) - This is the jumper used to enable the LED driver (HWEN pin). The driver will be enabled when
the HWEN pin is high (VIO) and disabled when it is low (GND).
Figure 1. Enable Jumper Settings
VIO (J16) - This pin provides power for the I2C lines (Clock & Data) and for the HWEN pin. It is
recommended that this pin is connected to the VIN pin. If desired, it can be connected to the 3.3V line
provided by the USB interface connector. In this configuration, communication via the I2C interface may
not be possible if the supply voltage to the LED driver is below approximately 3 V.
Figure 2. VIO Jumper Settings
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Setup
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D1-CON (J14 pin3 and pin4) and D2-CON (J14 pin1 and pin2) are the jumpers used to connect the onboard flash LEDs to the LED output of the driver.
STROBE (J9) - This pin provides an external method for initiating a flash event. The STROBE pin is
connected to ground via a 300-kΩ resistor internal to the LM3644. To externally drive this pin, either
connect a control signal directly to the STROBE pin of the connector or place a jumper between connector
pins STROBE and PWM0. Pin PWM0 can be configured as a time-adjustable voltage pulse via the
General User Interface (GUI) software provided.
Figure 3. STROBE Jumper Settings
TORCH/TEMP
TORCH/TEMP
TORCH/TEMP (J21) - This pin provides an external method for initiating a torch event. The
TORCH/TEMP pin is connected to ground via a 300-kΩ resistor internal to the LM3644 as well as an
externally connected NTC thermistor. To externally drive this pin, either connect a control signal directly to
the TORCH/TEMP pin of the connector or place a jumper between connector pins TORCH/TEMP and
PWM1. Pin PWM1 can be configured as ON or OFFvia the GUI software provided. Removing the jumper,
and setting the TORCH/TEMP pin to TEMP mode, the TEMP function can be utilized via the externally
connected NTC thermistor.
Figure 4. TORCH/TEMP Jumper Settings
TX (J11) - This pin is used to initiate a TX-interrupt event. The TX pin is connected to ground via a 300-kΩ
resistor internal to the LM3644. To externally drive this pin, either connect a control signal directly to the
TX pin of the connector or place a jumper between connector pins TX and PWM2. Pin PWM2 can be
configured as to provide continuous voltage pulses via the GUI software provided.
Figure 5. TX Jumper Settings
SDA / SCL (J19) - These connections allow the user to externally control the I2C lines. For independent
control of the I2C lines, do not connect the VIO jumper to either the 3.3 V or the VIN pin.
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Setup
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OUT, LED1, LED2, TORCH/TEMP (J13, J10, J22) - These provide access to the regulated output of the
driver, the outputs of the LED current sources, and the TEMP pin. The user can measure VOUT with
reference to GND, VLED with reference to GND, current source headroom directly between VOUT and
VLED, and can monitor or control TORCH/TEMP input.
VINL/VIN (J7) - The user can monitor the Inductor Current and Input Current waveforms by omitting this
jumper and using separate wires from the power supply to the VINL and VIN pins. This will remove the
Input Capacitors from the Inductor and eliminate their filtering effect to the Inductor Current.
J17 and J18: LED Current measurements -The LM3644EVM provides a way to accurately measure the
LED current through both LEDs on board. Resistors R1 & R2 (0.1 Ω) are placed between the cathode of
LED1 & LED2, respectively, and Ground. The user can first measure the resistor values accurately, by
applying a known current through connector DxF and Ground and measuring the voltage between DxS
and GNDS. Then, during normal flash or torch operation, the voltage measured across the resistor divided
by the resistor value will equal the current through the resistor (and the LED).
2.2
Setup
The input voltage range for the flash driver is 2.5 volts to 5.5 volts. The on-board LEDs or an LED module
should be connected for proper operation.
2.3
Operation
For proper operation of the LM3644EVM, the jumpers should be properly configured. The recommended
setting, using shorting blocks is:
VIO to VIN
EN to VIO
STROBE to PWM0 or external signal
TORCH/TEMP to PWM1 or external signal
TX to PWM2 or external signal
LEDs (J14) shorted
In this configuration, the device will power up when power is applied.
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Board Layout
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Figure 6. Jumper Configuration
3
Board Layout
Figure 7, Figure 8, Figure 9 and Figure 10 show the board layout for the LM3644EVM. The EVM offers
resistors, capacitors, and jumpers to enable the device and to configure it as desired.
The LM3644 will dissipate power, especially during high current and long duration flash events. Power will
also be dissipated on the flash LEDs. The EVM layout is designed to minimize temperature rise during
operation. It is recommended that in order to prevent overheating, repeated flash events in very short time
intervals is avoided.
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Board Layout
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Figure 7. Top Assembly Layer
Figure 8. Middle Layer 1 Routing
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Board Layout
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Figure 9. Middle Layer 2 Routing
Figure 10. Bottom Assembly Layer (UNMIRRORED)
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Schematic
4
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Schematic
GND
J1
GND
J3
J2
PWM0
J4
3.3V
1
2
VINL
1
2
3
J6
1
2
3
J5
PWM2
SCL
1
3
5
7
9
PWM1
2
4
6
8
10
SDA
GND
N2510-6002-RB
GND
L1
SW
1
2
2
1
DFE201610P-1R0M
J7
R1
0
VIN1
J8
U1
B1
A1
VIN
SW
IN
C1
10µF
GND
STROBE
OUT
C1
2
1
C4
10µF
J10
C5
10µF
D1
D3
GND
LED2
PWM1
A2
C2
10µF
B2
C3
100µF
CBATT
J9
STROBE
1
2
3
SH-STROBE1
STROBE
GND
VOUT
TX
D2
GND
LED2
J11
HWEN
PWM2
C2
TX
LED1
SCL
1
2
3
SH-TX1
B3
EN
TX
GND
DCON
J14
SDA
2
1
J13
SH-D1
1
2
3
4
LED1
TORCH/TEMP
A3
R2
GND
VIN
1
2
3
1
1
SH-EN1
EN
R3
1.0k
SH-D2
J17
3
2
1
R6
0.1
TORCH/TEMP
t°
2
2
D1
Ultra White
J18
3
2
1
1
2
3
1.0k
LM3644YFF
D2
Ultra White
R5
0.1
J12
VIO
C3
TH1
100k ohm
3.3V
R4
49.9k
J16
SH-VIO1
VIO
J19
GND
VIO
SCL
1
2
3
4
SDA
GND
I2C
GND
J21
PWM0
1
GND
1
2
3
SH-TORCH1
PWMJ22
GND
Figure 11. LM3644EVM Schematic
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Schematic
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Table 2. Bill of Materials
DESIGNATOR
DESCRIPTION
MANUFACTURER
PART NUMBER
QUANTITY
!PCB1
Printed Circuit Board
Any
SV601027
1
C1, C2, C4, C5
CAP, CERM, 10uF, 6.3V, +/-20%, X5R, 0402
Samsung
CL05A106MQ5NUNC
4
C3
CAP, CERM, 100uF, 6.3V, +/-20%, X5R, 1206
MuRata
GRM31CR60J107ME39L
1
D1, D2
LED, Ultra White, SMD
OSRAM
LUW CAEP.G4
2
J1, J7, J8, J10, J13
Header, TH, 100mil, 2x1, Gold plated, 230 mil above insulator
Samtec, Inc.
TSW-102-07-G-S
5
J2
Header (shrouded), 100mil, 5x2, High-Temperature, Gold, TH
3M
N2510-6002-RB
1
J3, J4, J9, J11, J12, J16, J17, J18,
J21
Header, TH, 100mil, 3x1, Gold plated, 230 mil above insulator
Samtec, Inc.
TSW-103-07-G-S
9
J5
Standard Banana Jack, Insulated, Black
Keystone
6092
1
J6
Standard Banana Jack, Insulated, Red
Keystone
6091
1
J14, J19
Header, TH, 100mil, 4x1, Gold plated, 230 mil above insulator
Samtec, Inc.
TSW-104-07-G-S
2
J22
Header, TH, 100mil, 1pos, Gold plated, 230 mil above insulator
Samtec, Inc.
TSW-101-07-G-S
1
L1
Inductor, Shielded, Metal Composite, 1uH, 2.6A, 0.058 ohm, SMD
Toko
DFE201610P-1R0M
1
LBL1
Thermal Transfer Printable Labels, 0.650" W x 0.200" H - 10,000 per roll
Brady
THT-14-423-10
1
R1
RES, 0 ohm, 5%, 0.25W, 1206
Yageo America
RC1206JR-070RL
1
R2, R3
RES, 1.0k ohm, 5%, 0.1W, 0603
Vishay-Dale
CRCW06031K00JNEA
2
R4
RES, 49.9k ohm, 1%, 0.063W, 0402
Vishay-Dale
CRCW040249K9FKED
1
R5, R6
RES, 0.1 ohm, 5%, 0.125W, 0805
Panasonic
ERJ-6RSJR10V
2
SH-D1, SH-D2, SH-EN1, SHSTROBE1, SH-TORCH1, SH-TX1,
SH-VIO1
Shunt, 100mil, Gold plated, Black
3M
969102-0000-DA
7
TH1
Thermistor NTC, 100k ohm, 5%, 0402
MuRata
NCP15WF104J03RC
1
U1
IC LED DRVR PHOTO FLASH Dual 1.5A SMD, YFF0012AEAD
Texas Instruments
LM3644YFF
1
VIN1
Test Point, TH, Compact, Red
Keystone
5005
1
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USB Interface Board and I2C-Compatible Interface Program
5
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USB Interface Board and I2C-Compatible Interface Program
Texas Instruments has created an I2C-compatible program and USB docking board (USB2ANY) that can
help exercise the part in a simple way. Contained in this document is a description of how to use the
USB2ANY interface box and interface software.
The LM3644EVM has the means to “plug into” the USB docking board. The USB docking board provides
all the control signals for the simple interface. Power to the part must be provided externally. A USB cable
(provided) must be connected to the board from a PC.
The I2C-compatible interface program provides all of the control that the LM3644 part requires. For proper
operation, the USB docking board should be plugged into the PC before the interface program is opened.
Once connected, and the program is executed, a basic interface window will open. The image below
shows the default settings.
Figure 12. LM3644 General User Interface
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USB Interface Board and I2C-Compatible Interface Program
The “I2C Interface” fields may be used to write or read any LM3644 register. Selecting the "Set Default
Settings" button resets all registers to their default values and updates all GUI fields.
Figure 13. I2C interface Fields
5.1
User Interface
the LM3644 GUI provides the user with access to all of the registers found on the device. Through a
combination of buttons, drop-down boxes and sliders, the user can configure the LM3644 to perform in the
desired mode. Please note that no data is written to the device until the Write button found within the
corresponding register is pressed.
Figure 14. Write Buttons
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USB Interface Board and I2C-Compatible Interface Program
5.2
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Flags
The contents of the LM3644 fault registers are read upon clicking the “Read Flags” button. The registers
are cleared upon read back.
Figure 15. Flags
5.3
I/O Pin Controls
The LM3644EVM provides the user with the capability to control the TORCH, STROBE and TX inputs
without the need of an external supply. The Tx Enable Button creates a continuous pulse train when
depressed. The Torch EN button toggles the LM3644's TORCH/TEMP pin high when pressed and low
depressed. The Ext. Strobe Button toggles the Strobe pin high for the duration entered in the field next to
the button.
The IR Strobe Button along with the period and width fields generate a continuous pulse train that can be
used to generate a current pulse pattern on the enabled LEDs.
Figure 16. I/O Pin Controls
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STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES
1.
Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or
documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein.
Acceptance of the EVM is expressly subject to the following terms and conditions.
1.1 EVMs are intended solely for product or software developers for use in a research and development setting to facilitate feasibility
evaluation, experimentation, or scientific analysis of TI semiconductors products. EVMs have no direct function and are not
finished products. EVMs shall not be directly or indirectly assembled as a part or subassembly in any finished product. For
clarification, any software or software tools provided with the EVM (“Software”) shall not be subject to the terms and conditions
set forth herein but rather shall be subject to the applicable terms and conditions that accompany such Software
1.2 EVMs are not intended for consumer or household use. EVMs may not be sold, sublicensed, leased, rented, loaned, assigned,
or otherwise distributed for commercial purposes by Users, in whole or in part, or used in any finished product or production
system.
2
Limited Warranty and Related Remedies/Disclaimers:
2.1 These terms and conditions do not apply to Software. The warranty, if any, for Software is covered in the applicable Software
License Agreement.
2.2 TI warrants that the TI EVM will conform to TI's published specifications for ninety (90) days after the date TI delivers such EVM
to User. Notwithstanding the foregoing, TI shall not be liable for any defects that are caused by neglect, misuse or mistreatment
by an entity other than TI, including improper installation or testing, or for any EVMs that have been altered or modified in any
way by an entity other than TI. Moreover, TI shall not be liable for any defects that result from User's design, specifications or
instructions for such EVMs. Testing and other quality control techniques are used to the extent TI deems necessary or as
mandated by government requirements. TI does not test all parameters of each EVM.
2.3 If any EVM fails to conform to the warranty set forth above, TI's sole liability shall be at its option to repair or replace such EVM,
or credit User's account for such EVM. TI's liability under this warranty shall be limited to EVMs that are returned during the
warranty period to the address designated by TI and that are determined by TI not to conform to such warranty. If TI elects to
repair or replace such EVM, TI shall have a reasonable time to repair such EVM or provide replacements. Repaired EVMs shall
be warranted for the remainder of the original warranty period. Replaced EVMs shall be warranted for a new full ninety (90) day
warranty period.
3
Regulatory Notices:
3.1 United States
3.1.1
Notice applicable to EVMs not FCC-Approved:
This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit
to determine whether to incorporate such items in a finished product and software developers to write software applications for
use with the end product. This kit is not a finished product and when assembled may not be resold or otherwise marketed unless
all required FCC equipment authorizations are first obtained. Operation is subject to the condition that this product not cause
harmful interference to licensed radio stations and that this product accept harmful interference. Unless the assembled kit is
designed to operate under part 15, part 18 or part 95 of this chapter, the operator of the kit must operate under the authority of
an FCC license holder or must secure an experimental authorization under part 5 of this chapter.
3.1.2
For EVMs annotated as FCC – FEDERAL COMMUNICATIONS COMMISSION Part 15 Compliant:
CAUTION
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause
undesired operation.
Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to
operate the equipment.
FCC Interference Statement for Class A EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
SPACER
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FCC Interference Statement for Class B EVM devices
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
•
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
3.2 Canada
3.2.1
For EVMs issued with an Industry Canada Certificate of Conformance to RSS-210
Concerning EVMs Including Radio Transmitters:
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Concernant les EVMs avec appareils radio:
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation
est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit
accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
Concerning EVMs Including Detachable Antennas:
Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser)
gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type
and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for
successful communication. This radio transmitter has been approved by Industry Canada to operate with the antenna types
listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated.
Antenna types not included in this list, having a gain greater than the maximum gain indicated for that type, are strictly prohibited
for use with this device.
Concernant les EVMs avec antennes détachables
Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et
d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage
radioélectrique à l'intention des autres utilisateurs, il faut choisir le type d'antenne et son gain de sorte que la puissance isotrope
rayonnée équivalente (p.i.r.e.) ne dépasse pas l'intensité nécessaire à l'établissement d'une communication satisfaisante. Le
présent émetteur radio a été approuvé par Industrie Canada pour fonctionner avec les types d'antenne énumérés dans le
manuel d’usage et ayant un gain admissible maximal et l'impédance requise pour chaque type d'antenne. Les types d'antenne
non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de
l'émetteur
3.3 Japan
3.3.1
Notice for EVMs delivered in Japan: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page 日本国内に
輸入される評価用キット、ボードについては、次のところをご覧ください。
http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_01.page
3.3.2
Notice for Users of EVMs Considered “Radio Frequency Products” in Japan: EVMs entering Japan may not be certified
by TI as conforming to Technical Regulations of Radio Law of Japan.
If User uses EVMs in Japan, not certified to Technical Regulations of Radio Law of Japan, User is required by Radio Law of
Japan to follow the instructions below with respect to EVMs:
1.
2.
3.
Use EVMs in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal
Affairs and Communications on March 28, 2006, based on Sub-section 1.1 of Article 6 of the Ministry’s Rule for
Enforcement of Radio Law of Japan,
Use EVMs only after User obtains the license of Test Radio Station as provided in Radio Law of Japan with respect to
EVMs, or
Use of EVMs only after User obtains the Technical Regulations Conformity Certification as provided in Radio Law of Japan
with respect to EVMs. Also, do not transfer EVMs, unless User gives the same notice above to the transferee. Please note
that if User does not follow the instructions above, User will be subject to penalties of Radio Law of Japan.
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【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて
いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの
措置を取っていただく必要がありますのでご注意ください。
1.
2.
3.
電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用
いただく。
実験局の免許を取得後ご使用いただく。
技術基準適合証明を取得後ご使用いただく。
なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。
上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ
ンスツルメンツ株式会社
東京都新宿区西新宿６丁目２４番１号
西新宿三井ビル
3.3.3
Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ
い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page
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4
EVM Use Restrictions and Warnings:
4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT
LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling
or using the EVM, including without limitation any warning or restriction notices. The notices contain important safety information
related to, for example, temperatures and voltages.
4.3 Safety-Related Warnings and Restrictions:
4.3.1
User shall operate the EVM within TI’s recommended specifications and environmental considerations stated in the user
guide, other available documentation provided by TI, and any other applicable requirements and employ reasonable and
customary safeguards. Exceeding the specified performance ratings and specifications (including but not limited to input
and output voltage, current, power, and environmental ranges) for the EVM may cause personal injury or death, or
property damage. If there are questions concerning performance ratings and specifications, User should contact a TI
field representative prior to connecting interface electronics including input power and intended loads. Any loads applied
outside of the specified output range may also result in unintended and/or inaccurate operation and/or possible
permanent damage to the EVM and/or interface electronics. Please consult the EVM user guide prior to connecting any
load to the EVM output. If there is uncertainty as to the load specification, please contact a TI field representative.
During normal operation, even with the inputs and outputs kept within the specified allowable ranges, some circuit
components may have elevated case temperatures. These components include but are not limited to linear regulators,
switching transistors, pass transistors, current sense resistors, and heat sinks, which can be identified using the
information in the associated documentation. When working with the EVM, please be aware that the EVM may become
very warm.
4.3.2
EVMs are intended solely for use by technically qualified, professional electronics experts who are familiar with the
dangers and application risks associated with handling electrical mechanical components, systems, and subsystems.
User assumes all responsibility and liability for proper and safe handling and use of the EVM by User or its employees,
affiliates, contractors or designees. User assumes all responsibility and liability to ensure that any interfaces (electronic
and/or mechanical) between the EVM and any human body are designed with suitable isolation and means to safely
limit accessible leakage currents to minimize the risk of electrical shock hazard. User assumes all responsibility and
liability for any improper or unsafe handling or use of the EVM by User or its employees, affiliates, contractors or
designees.
4.4 User assumes all responsibility and liability to determine whether the EVM is subject to any applicable international, federal,
state, or local laws and regulations related to User’s handling and use of the EVM and, if applicable, User assumes all
responsibility and liability for compliance in all respects with such laws and regulations. User assumes all responsibility and
liability for proper disposal and recycling of the EVM consistent with all applicable international, federal, state, and local
requirements.
5.
Accuracy of Information: To the extent TI provides information on the availability and function of EVMs, TI attempts to be as accurate
as possible. However, TI does not warrant the accuracy of EVM descriptions, EVM availability or other information on its websites as
accurate, complete, reliable, current, or error-free.
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6.
Disclaimers:
6.1 EXCEPT AS SET FORTH ABOVE, EVMS AND ANY WRITTEN DESIGN MATERIALS PROVIDED WITH THE EVM (AND THE
DESIGN OF THE EVM ITSELF) ARE PROVIDED "AS IS" AND "WITH ALL FAULTS." TI DISCLAIMS ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, REGARDING SUCH ITEMS, INCLUDING BUT NOT LIMITED TO ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT OF ANY
THIRD PARTY PATENTS, COPYRIGHTS, TRADE SECRETS OR OTHER INTELLECTUAL PROPERTY RIGHTS.
6.2 EXCEPT FOR THE LIMITED RIGHT TO USE THE EVM SET FORTH HEREIN, NOTHING IN THESE TERMS AND
CONDITIONS SHALL BE CONSTRUED AS GRANTING OR CONFERRING ANY RIGHTS BY LICENSE, PATENT, OR ANY
OTHER INDUSTRIAL OR INTELLECTUAL PROPERTY RIGHT OF TI, ITS SUPPLIERS/LICENSORS OR ANY OTHER THIRD
PARTY, TO USE THE EVM IN ANY FINISHED END-USER OR READY-TO-USE FINAL PRODUCT, OR FOR ANY
INVENTION, DISCOVERY OR IMPROVEMENT MADE, CONCEIVED OR ACQUIRED PRIOR TO OR AFTER DELIVERY OF
THE EVM.
7.
USER'S INDEMNITY OBLIGATIONS AND REPRESENTATIONS. USER WILL DEFEND, INDEMNIFY AND HOLD TI, ITS
LICENSORS AND THEIR REPRESENTATIVES HARMLESS FROM AND AGAINST ANY AND ALL CLAIMS, DAMAGES, LOSSES,
EXPENSES, COSTS AND LIABILITIES (COLLECTIVELY, "CLAIMS") ARISING OUT OF OR IN CONNECTION WITH ANY
HANDLING OR USE OF THE EVM THAT IS NOT IN ACCORDANCE WITH THESE TERMS AND CONDITIONS. THIS OBLIGATION
SHALL APPLY WHETHER CLAIMS ARISE UNDER STATUTE, REGULATION, OR THE LAW OF TORT, CONTRACT OR ANY
OTHER LEGAL THEORY, AND EVEN IF THE EVM FAILS TO PERFORM AS DESCRIBED OR EXPECTED.
8.
Limitations on Damages and Liability:
8.1 General Limitations. IN NO EVENT SHALL TI BE LIABLE FOR ANY SPECIAL, COLLATERAL, INDIRECT, PUNITIVE,
INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES IN CONNECTION WITH OR ARISING OUT OF THESE
TERMS ANDCONDITIONS OR THE USE OF THE EVMS PROVIDED HEREUNDER, REGARDLESS OF WHETHER TI HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXCLUDED DAMAGES INCLUDE, BUT ARE NOT LIMITED
TO, COST OF REMOVAL OR REINSTALLATION, ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES, RETESTING, OUTSIDE COMPUTER TIME, LABOR COSTS, LOSS OF GOODWILL, LOSS OF PROFITS,
LOSS OF SAVINGS, LOSS OF USE, LOSS OF DATA, OR BUSINESS INTERRUPTION. NO CLAIM, SUIT OR ACTION SHALL
BE BROUGHT AGAINST TI MORE THAN ONE YEAR AFTER THE RELATED CAUSE OF ACTION HAS OCCURRED.
8.2 Specific Limitations. IN NO EVENT SHALL TI'S AGGREGATE LIABILITY FROM ANY WARRANTY OR OTHER OBLIGATION
ARISING OUT OF OR IN CONNECTION WITH THESE TERMS AND CONDITIONS, OR ANY USE OF ANY TI EVM
PROVIDED HEREUNDER, EXCEED THE TOTAL AMOUNT PAID TO TI FOR THE PARTICULAR UNITS SOLD UNDER
THESE TERMS AND CONDITIONS WITH RESPECT TO WHICH LOSSES OR DAMAGES ARE CLAIMED. THE EXISTENCE
OF MORE THAN ONE CLAIM AGAINST THE PARTICULAR UNITS SOLD TO USER UNDER THESE TERMS AND
CONDITIONS SHALL NOT ENLARGE OR EXTEND THIS LIMIT.
9.
Return Policy. Except as otherwise provided, TI does not offer any refunds, returns, or exchanges. Furthermore, no return of EVM(s)
will be accepted if the package has been opened and no return of the EVM(s) will be accepted if they are damaged or otherwise not in
a resalable condition. If User feels it has been incorrectly charged for the EVM(s) it ordered or that delivery violates the applicable
order, User should contact TI. All refunds will be made in full within thirty (30) working days from the return of the components(s),
excluding any postage or packaging costs.
10. Governing Law: These terms and conditions shall be governed by and interpreted in accordance with the laws of the State of Texas,
without reference to conflict-of-laws principles. User agrees that non-exclusive jurisdiction for any dispute arising out of or relating to
these terms and conditions lies within courts located in the State of Texas and consents to venue in Dallas County, Texas.
Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief
in any United States or foreign court.
Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265
Copyright © 2015, Texas Instruments Incorporated
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IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other
changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest
issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and
complete. All semiconductor products (also referred to herein as “components”) are sold subject to TI’s terms and conditions of sale
supplied at the time of order acknowledgment.
TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms
and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent TI deems necessary
to support this warranty. Except where mandated by applicable law, testing of all parameters of each component is not necessarily
performed.
TI assumes no liability for applications assistance or the design of Buyers’ products. Buyers are responsible for their products and
applications using TI components. To minimize the risks associated with Buyers’ products and applications, Buyers should provide
adequate design and operating safeguards.
TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or
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Reproduction of significant portions of TI information in TI data books or data sheets is permissible only if reproduction is without alteration
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Resale of TI components or services with statements different from or beyond the parameters stated by TI for that component or service
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TI is not responsible or liable for any such statements.
Buyer acknowledges and agrees that it is solely responsible for compliance with all legal, regulatory and safety-related requirements
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In some cases, TI components may be promoted specifically to facilitate safety-related applications. With such components, TI’s goal is to
help enable customers to design and create their own end-product solutions that meet applicable functional safety standards and
requirements. Nonetheless, such components are subject to these terms.
No TI components are authorized for use in FDA Class III (or similar life-critical medical equipment) unless authorized officers of the parties
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Only those TI components which TI has specifically designated as military grade or “enhanced plastic” are designed and intended for use in
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TI has specifically designated certain components as meeting ISO/TS16949 requirements, mainly for automotive use. In any case of use of
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